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Randomized Controlled Trial
. 2006;13(1):35-48.
doi: 10.1002/oti.206.

Frequency of knowledge of results and motor learning in persons with developmental delay

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Free article
Randomized Controlled Trial

Frequency of knowledge of results and motor learning in persons with developmental delay

Martin S Rice et al. Occup Ther Int. 2006.
Free article

Abstract

The purpose of this study was to investigate the effect of high versus low frequency knowledge of results (KR) in a group of 16 individuals with developmental delay and in gender and age-matched average individuals learning a motor skill on a laptop computer. Participants were randomly assigned to either a 100% KR or a 50% KR group. KR was provided during the acquisition phase according to group assignment as participants learned the motor skill, whereas no KR was provided during the retention phase. Results indicated both populations who received 50% KR in the acquisition phase demonstrated better performance in the retention phase than those who received 100% KR. The results of this study suggest that, as has been found in the average population, feedback that is too frequent can interfere with learning and retention of tasks for individuals with developmental disabilities (DD). Limitations involved the small sample size along with the task potentially being artificial in nature. Future research is needed to study further the effects of frequency of KR on skill acquisition, particularly in instrumental activities of daily living in this population.

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